date
2005-01 0.016546
2005-02 0.022419
2005-03 0.004282
2005-04 0.008603
2005-05 0.002557
...
2021-11 0.024575
2021-12 0.021031
2022-01 0.015138
2022-02 0.007181
2022-03 -0.001958
Length: 207, dtype: float64